午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List 3-(diMethylaMino)-1-(4-Methoxyphenyl)prop-2-en-1-one
18096-70-3

3-(diMethylaMino)-1-(4-Methoxyphenyl)prop-2-en-1-one synthesis

3synthesis methods
-

Yield:18096-70-3 100%

Reaction Conditions:

in N,N-dimethyl-formamide; for 3.5 h;Reflux;

Steps:

Preparation of 3-dimethylamino-1-(4-methoxyphenyl)-2-propene-1-one:

Dissolve p-methoxyacetophenone (150mg, 1.0mmol) and N,N-dimethylformamide dimethyl acetal (DMFDMA) (476mg, 4.0mmol) in about 5.0ml of DMF, and heat to reflux 3.5 hours, TLC detects that the raw material is almost completely reacted. The reaction solution was concentrated to obtain 205 mg of yellow solid with a yield of 100%.

References:

CN111925368,2020,A Location in patent:Paragraph 0169-0174